Siemens 6GK7443-5DX03-0XE0 Communication Processor

Product Overview

The Siemens 6GK7443-5DX03-0XE0 is a SIMATIC NET CP 443-5 Extended Communication Processor designed for Siemens S7-400 PLC systems. It provides advanced PROFIBUS DP communication capability, allowing S7-400 CPUs to connect with PROFIBUS DP master/slave devices, S5-compatible systems, PG/OP devices, and other S7 controllers.

It is mainly used in industrial automation systems requiring reliable PROFIBUS networking and high-performance communication between PLCs, distributed I/O, drives, and field devices.

Main Specifications

• Manufacturer: Siemens
• Model: 6GK7443-5DX03-0XE0
• Series: SIMATIC NET / S7-400
• Product Type:
  • Communication Processor (CP443-5 Extended)
  • PROFIBUS DP Communication Module
  • Industrial Network Interface Module
• Compatible System:
  • Siemens SIMATIC S7-400 PLC
• Mounting:
  • S7-400 Rack Installation
• Interface:
  • PROFIBUS DP RS485

Technical Specifications

Communication Interface

• Interface Type:
  • 1 × PROFIBUS DP interface
• Connector:
  • 9-pin Sub-D female connector (RS485)
• Transmission Speed:
  • 9.6 kbit/s to 12 Mbit/s
• Communication Functions:
  • PROFIBUS DP Master
  • PROFIBUS DP Slave
  • S7 Communication
  • S5-compatible communication
  • PG/OP communication

PROFIBUS Functions

Supports:

• DP master operation
• DPV1 functions
• Distributed I/O communication
• Connection of PROFIBUS field devices
• Data exchange with external automation systems

Typical connected devices:

• ET 200 distributed I/O
• PROFIBUS drives
• Sensors and actuators
• Third-party PROFIBUS devices

Electrical Specifications

• Supply Voltage:
  • 5 V DC (from S7-400 backplane bus)
• Current Consumption:
  • Approx. 1.3 A
• Power Loss:
  • Approx. 6.5 W

Mechanical Specifications

• Installation:
  • S7-400 rack mounting
• Protection Rating:
  • IP20
• Module Design:
  • Compact PLC communication module
• Weight:
  • Approx. 0.8 kg

Features & Advantages

• Original Siemens SIMATIC NET communication processor
• Provides high-speed PROFIBUS DP communication
• Supports complex industrial network architectures
• Reduces communication load on the PLC CPU
• Supports distributed automation systems
• Reliable operation in industrial environments
• Compatible with Siemens S7-400 control platforms

Applications

Used in:

• Factory automation systems
• Process control systems
• Manufacturing production lines
• Power automation
• Transportation systems
• Large PLC networks

Typical applications:

• S7-400 PLC to ET 200 remote I/O communication
• PROFIBUS motor drive control
• PLC-to-PLC data exchange
•